Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John Marshall III, DMD

Individual provider General Practice Dentistry · NPI 1205356425

Dr. John Marshall III, DMD is a General Practice Dentistry in O Fallon, Missouri. Practices as a sole proprietor. Licensed in Missouri.

Licensed in
MO
In the registry since
2017
Specialties on file
2
What do these letters mean?
DMD — Doctor of Dental Medicine
A dentist. Identical training and licensing to a DDS.

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Practice location Address checks out

2315 Technology Dr Ste 101
O Fallon, MO 63368-7371
Phone: (636) 561-9255
Fax: (636) 625-9028
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dentist (primary) Taxonomy 122300000X · Licence 2018011363 (MO)
General Practice Dentistry Taxonomy 1223G0001X · Licence 2018011363 (MO)

Record details

NPI number1205356425
Entity typeIndividual (Type 1)
GenderMale
Credentials DMD
Sole proprietorYes
NPI enumeratedJune 20, 2017
Last updated in NPPESSeptember 22, 2018

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